Settled account not updated

What a nightmare, I settled my account on the 20th March 2024 to date no one knows what's going on with my account on the 6th June 2024 I was told all my documents will be sent to the "accounts department" for a contract update but nothing has been done, I don't know whether the tracking unit is active or not as the app stopped working, instead I am being sent from pillar to post to an extant I have stopped driving that car as I don't know where I stand with this company.